Stamp-vending machine.



STAMP VENDING MACHINE.

kPPLlCATION FILED SEPT. 1a. 1916.

1,251,447. Patented Dec. 25,1917.

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APPLIGAHON HLEDSEPT. $3., 1916.

Patented Dec. 25, 1917.

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APPLICATION FlLED SEPI. B. 1918. 1 51,447. v Patented Dec. 25, 1917.

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S'IAMP VENDING MACHINE.

APPLICATION HLED SEPT. 13. 1916.

1,251,447. Patented Dec. 25,1917.

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STAMP VENDING MACHINE. APPLICATION FILED SEPT. 13, ms.

Patented Dec. 25, 1917.

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STAMP VENDING MACHINE. APPLICATION ElLED SEPT. $3. 1916.

Patented Dec. 25, 1917.

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STAMP VENDING MACHINE.

APPLICATIONHLED SEPT, 1,3. 19 16.

Patented Dec. 25, 1917.

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STAMP VENDING MACHINE.

APPLICATION HLED SEPT. 13. I916.

1,251,447. Patented Dec. 25,1917.

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STAMP VENDING MACHINE.

APPLICATION FILED SEPT. I3, 1916.

1,251,447. Patented Dec. 25,1917.

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HERBERT O. TIBBITTS, 0F CLEVELAND, OHIO.

STAMP-VENDING MACHINE.

Specification of Letters Patent.

Patented Dec. 25, 1917.

Applicationflled September 1a, 1916. Serial No. 119,915.

To all whom it may concern.-

Be it known that I, HERBERT O. TIBBITTS, a citizen of the United States,residing at Cleveland, in the county of Cuyahoga and State of Ohio, haveinvented new and useful Improvements in Stamp-Vending Machines, of whichthe following is a. specification.

The invention relates to a vending machine and more particularly to theclass of combination stamp vending and coin changing machines. j

The primary object of the invention is the provision of a machine ofthis character wherein stamps of different denominations will besuccessively ejected from the machine on the deposit of the proper coinstherein and either a single stamp or a predetermined number will bedelivered to the operator of the machine when depositing the requiredamount of money therein.

Another object of the invention is the provision of a machine of thischaracter wherein, on the deposit of one or more coins of differentdenominations within the machine the requisite change in lieu thereofwill be had having an equal valuation to the amount of the coin or coinsdeposited so that the change can be redeposited within the machine forthe ejecting of the postage stamps therefrom, either singly or anynumber, according to the money deposited within the machine.

A further object of the invention is the provision of a machine of thischaracter wherein the stamp delivering or ejecting mechanism is of novelform so that the same will be automatically set and operated on thedeposit of a coin of a predetermined value for the deliver of a stamp orstamps having the same va nation as the coin deposited within themachine.

A still further object of the invention is the provision of a machine ofthis character wherein the coin changing mechanism is automaticallycontrolled and operated for delivering the exact aggregate amount ofcoins of lesser denomination than the amount deposited within 'themachine, thereby enabling the operator to obtain the required change fordeposit in the machine in procuring stamps therefrom in exchange for thedeposit.

A still further object of the invention is the provision of a machine ofthis character wherein the stamp or stamps ejected from the machine aresevered automatically from the strip or strips of stamps, which are intape form within the machine, when the saidstamp or stamps are deliveredtherefrom, thus making it impossible for any one to surreptitiouslyobtain more stamps than entitled to in accordance with the deposit madewithin the machine.

Astill further object of the invention is the provision of a machine ofthis character wherein the stam ejectin or delivering mechanism ispositive in action and is automatically controlled to avoid anypossibility of theft of. the stamps by a surreptitious at tempt on thepart of the operator of the machine to extract stamps in excessof thenumber delivered in accordance with'the value or valuation of the coindeposited "itlierein while the machine is being operated.

A still further object of the invention is the provision of a machine ofthis character wherein the coin changing mechanism is automaticallycontrolled so as t avoid tampering therewith or the possibility.-.of"obtaining change having valuation -greater. than the amount of thecoin valuation deposited within the machine.

- A still further object of the invention is the provision of a machineof this character wherein the coin ejecting or delivering mechanism andthe coin changing mechanism are of novel form so as to assurepos1-tiveness in'their operation and to efiect the proper and successfuldelivery of both stamps and coins from the machine.

A still further object of the invention is the provision of a machine ofthis character wherein the number of stamps delivered from the machineis automatically counted so that at a glance it can be determined theexact number of stampsejected therefrom.

A still further object of the invention is the provisionof a machine ofthis character whereimon the delivery of all of the stamps therefromandalso the delivery of the coins from the change mechanism, the saidmachine will be rendered inoperative and this fact will be indicated sothat any attempt to operate the machine when in this condition will beprevented.

Astillffurther object of the invention is the provision of a machine ofthis character wherein, on the deposit of a spurious coin therein, or acoin of improper valuation, it will be returned to the depositor withoutenabling the operation of the machine for the obtaining of stamps orchange therefrom by such depositor.

A still further object of the invention is the provision of a machine ofthis character wherein, on the deposit of small denominations of coinsfor the procuring of stamps therefrom, the said coins will be suppliedor introduced into the coin changing mechanism until the latter isfilled to its capacity and thereafter the excess coins are automaticallydelivered to a depository within the machine, and in this manner thecoin changing mechanism will be constantly supfeatures of construction,combination of.

elements and arrangement of parts which will be exemplified in theconstruction here inafter described, and the scope of the application ofwhich is indicated in the appended claims.

In the accompanying drawings:

Figure 1 is a perspective view of the machine constructed in accordancewith the invention;

Fig. 2 is a front elevation thereof, with the front wall and topremoved;

Fig. 3 is a sectional view on the line 33 of Fig. 2;

Fig. 4 is a sectional view on the line 44 of Fig. 2;

Fig. 5 is a front elevation of the movable coin carrier and chutes, withthe shank porarrows;

tions thereof broken away;

Fig. 6 is a vertical longitudinal sectional view of the carrier andchutes;

Fig. 7 is a sectional view on the line 77 of Fig. 5, looking in thedirection of the Fig. 8 is a sectional view on the line 88 of Fig. 5,looking in the direction of the arrows;

Fig. 9 is a. sectional view on the line 9-9 of Fig. 6, looking in thedirection of the arrows;

Fig. 10 is a sectional view on the line 1010 of Fig. 5; a

Fig. 11 is a view similar to Fig. 10, showing in detail the position ofa different denomination of coin therein than that shown in Fig. 10;

Fig. 12 is a fragmentary vertical transverse sectional view showing byfull lines dotted lines adjusted positions of the carrier with the lockdog therefor;

Fig. 14 is a sectional View on the line I L-14 of Fig. 3;

Figs. 15, 16 and 17 are fragmentary plan views similarto Fig. 14,showing the parts in different positions;

Fig. 18 is a fragmentary perspective view showing certain of the partsof Fig. 14 separated from each other;

Fig. 19 is a sectional view on the line 19 19 of Fig. 14;

Figs. 20, 21, 22, 23, 24 and 25 are detail views showing variouspositions of the ratchet and lock mechanism of the stamp ejectingmechanism;

Fig. 26 is a perspective view of one of the lock dogs;

Fig. 27 is a perspective view of one of the ratchet dogs;

Fig. 28 is av fragmentary vertical transverse sectional view showing thelock control of the stamp ejecting mechanism and the means for effectingthe ejecting of the deposited coin within the machine;

Fig. 29 is a fragmentary vertical sectional view showing the posltion ofcertain parts of the feed mechanism of the stamp ejecting mechanism Fig.30 is a fragmentary horizontal sectional view showing parts of the feedmechanism in top plan;

Fig. 31 is a. detail side elevation of the lock for the feed mechanism;

Fig; 32 is a detail view similar to Fig. 29, showing the parts of thefeed mechanism inadjusted position when acted upon by a coin;

Fig. 33 is a view similar to Fig. 31, showpartly in section, showingpart of the feed and lock mechanism with the parts separated;

Fig. 38 is a fragmentary side elevation showing the relative positionsof the trips for one of the coin stops on the coin carrier and chute;

Fig. 39 is a sectional view on the 3939 of Fig. 38;

Fig. 40 is a detail perspective view of one of the levers for actuatingthe trip for the coin stop shown in Fig. 38;

Fig. 41 is a sectional view on the line 4141 of Fig. 4;

Fig. 42 is a fragmentary vertical transverse sectional view showing indetail certain parts of the coin changing mechanism in adjustedposition;

Fig. 43 is a sectional view on the line 4343 of Fig. 47, looking in thedirection of the arrows;

Fig. 44 is a detail side elevation of certain parts of the coin changingmechanism for the automatic adjustment thereof;

Fig. 45 is a View similar to Fig. 42, with the parts in differentpositions;

Fig. 46 is a detail vertical sectional View showing the operating partfor the stop in position to permit the operation of the coin linechanging mechanism Fig. 47 is a fragmentary vertical sectional viewshowing the parts in Fig. 46' in position for rendering the coinchanging mechanism ineffective;

Fig. 47 is a sectional detail on the line 47*-17 of Fig. 47;

Fig. 48 is a sectional perspective view showin the relativeposition ofthe parts shown in Fig. 46;

Fig. 49 is a perspective view showing in detail certain parts of thecoin changing mechanism;

Fig. 50 is a'perspective view of the ejector slide of the coin changingmechanism;

Fig. 51 is a perspective view of the balancing lever of the changecontrolling mechanism;

Fig. 52 is a fragmentary vertical sectional view showing in detail theindicator mechanism;

Fig. 53 is a fragmentary front elevation thereof;

Fig. 54 is a fragmentary perspective view of one of the indicators;

Fig. 55 is a fragmentary horizontal sectional View through the stamproll spool, showing the manner of mounting thereof;

Fig. 56 is a fragmentary sectional elevation showing another indicatorfor the change mechanism;

Fig. 57 is a fragmentary perspective view of the indicator;

Fig. 58 is a fragmentary transverse sectional view showing in detail thestamp severing mechanism;

Fig. 59 is a view similar to Fig. 58, showing theparts in adjustedposition;

Fig. 60 is a sectional view on the line 6060 of Fig. 58;

ing a slight modification of the feed mechamsm Fig. 66 is a detail sideelevation of the feed wheel;

Fig. 67 is a fragmentary detail sectional view through one of the coinslots showing a coin detector supported relative thereto;

Fig. 68 is a fragmentary elevation showing in detail the support and oneof the magnets constituting the coin detector.

Referring to the drawings in detail, A deslgnates generally the casingof the vending machine, which includes a frame 10 and panels 11preferably made from metal, the panels constituting the walls of thecasing and being securely fastened in the frame 10, and this casing isof the required shape and design, having a curvilinear top 12 supportinga cross bar or plate 13 provided with a series of slots 14 adapted toreceive coins of different denominations for the introduction thereofinto the machine, while in the front of the said casing are the stampdelivering slots or openings 15 and coin dis charge openings 16respectively. Arranged about the stamp .delivery slots 15 are escutcheonplates 17 and also about the change discharge opening 16 is anescutcheon plate 18 which carries a cup-like receiver 19 for the coinsdelivered through the opening.

Arranged rearwardly of the bar or plate 13 and rising vertically fromthe top 12 of the casing A is a label holder 20 in which are arranged aseries of labels 21, having printed or otherwise marked thereon indiciaindicative of the denomination of coin to be inserted in the machine forthe delivery of stamps therefrom and also the delivery of change inaccordance with the deposit within the machine. g

Formed in the casing A and the escutcheon plate 17 below the stampdelivery openings 15 are peep slots 22 for permitting the inspection ofcounter mechanism to enable a person to determine the exact number ofstamps ejected from the machine, the counter mechanism being hereinafterfully described.

Arranged within thecasing A is the stamp ejecting or deliveringmechanism which comprises superposed spaced, horizontally arrangedshafts 23 and 24 respectively, both of which are supported in brackets25 fixed to the front corner posts of the frame 10 in the upper portionthereof, the brackets 25 through the openings in the front wall of thecasing A from between the said rollers in a manner presently described.

Each feed roller 27 is formed with annular edge flanges 29 which serveas guides between which works the guide roller 28 so that both the feedand said guide rollers will be held against relative movementlongitudinally of the shafts 23 and 24 supporting the same, and in thismanner the said rollers are held in alinement with each other. Each ofthe rollers 27 and 28 is formed with a hub extension 30 and theseextensions have fixed thereto gears 31 meshing with each other so thatthe rollers will rotate in unison in reverse directions to eachother forthe 1 positive feeding of the stamps, the peripheral surfaces of therollers being suitably roughened at 32 to avoid the slipping thereofwhen contacting with the said stamps. Arranged below the shaft 24 andfixed to the front corner posts of the frame 10 is a horizontal bar 33to which are fixed coiled re tractile springs 34, the same being alsofixed to the shaft 23 and serve to tension the rollers 28 to hold thesame in close relation to the rollers 27 for the positive gripping ofthe stamps therebetween to assure the feeding of the stamps during theejecting or delivery operation of the machine.

Below the feed rollers 27 and secured to the horizontal bar 33 aresuitable resetting counting devices 35 which are visible through thepeep slots 22 in the-front wall of the casing A and are connectedthrough the medium of gears 36 with the gears 31 so that on the rotationof the feed rollers 27 the counting devices 35 will be simultaneouslyoperated for the counting of the stamps ejected or delivered from themachine, thus enabling a person to determine the exact number of stampsdelivered.

Rearw'ardly of the feed rollers 27 and supported upon horizontal sidebars 37 mounted in the frame 10 is a platform 38, from which rise spacedpairs of guide ears 39 in which are mounted rocking latch pawls 40 andsliding feed dogs 41 respectively, both of which are acted upon throughthe medium of springs 42 which normally hold the same in workingposition, while formed on each of the feed rollers 27 are'the notchedlatch wheels 43 and the ratchet feed wheels out of engagement with thefeed rollers 44,

for operation m a manner presently described. Each ratchet feed wheel 44has its teeth formed with hook-like shoulders 45 and likewise theengaging ends of the feed dogs 41are formed with hook-like shoulders 46to cotiperate with the shoulders 45, so

that when the feed dogs 41 have been initially advanced for moving thefeed wheels 44 a single tooth it will be impossible for any one to pullupon the stamp strip to cause outward feeding thereof and therebyfraudulently obtain an excessive number of stamps over the amount orvaluation of the coin deposited for the operation of the stamp ejectingor delivering, mechanism. In other words, the feed rollers 27 areblocked against rotation for the ejecting of the strips of stamps afterthe feed dogs 41 have been started in their advance movement or at anytime from the initial advancement thereof until the completed advancemovement of the same whence the latch pawls 40 have become engaged withthe latch wheels 43 and in this manner the possibility of fraudulentmanipulation of the stamp ejecting or delivering mechanism iseliminated.

Mounted in the latch pawls 40 are trip pins 47 which project into thepath of move ment of cams 48 formed on the feed dogs 41 so that on theadvancement of the latter the said cams 48 will act upon the pins 47 toeffect the lifting of the latch pawls 40 out of engagement with thelatch wheels 43, thereby unlatching the feed rollers 27 to be retated bythe feed dogs 41 engaging the ratchet feed wheels 44 forming a part ofthe said rollers so that stamps will be ejected or delivered from themachine.

Mounted upon the back corner post of the frame A are bearings 49 inwhich are journaled trunnions 50 of a coin carrier comprising adownwardly tapered housing 51 having formed interiorly thereof the coinchutes l or'slots 52, 53, 54 and 55, respectively, the

being adapted to receive coins of the valuation of one cent or penny,the chute 55 adapted to receive the coins of twenty-five and fifty centvaluation, the chute 53 adapt.

ed to receive coins of five cent valuation and the chute 52 to receivecoins of ten cent valuation, and these coins are adapted to be carriedin the housing 51 of the carrier for operating the stamp ejecting'ordelivery mechanism and the coin changing mechanism in a manner presentlydescribed.

The chute 54 is formed with lateral pasmost end for the positioning ofone or two one cent or penny coinsin said passages 55 and 56 to closeholes 57 and 58, respectively, formed in thehousing "51 "forintersecting the said passages 55', and. 56 for the. operation of anactuating fork 59 slidably mounted upon the platform 38, the said forkbeing supported for swingin movement upon a pivot 60 which is fixe in arunner 61 movable on the platform 38 which is formed with a guide slot62 receiving a' guide plate 63 secured to the h runner 61, and to thisplate is connected a follower 64 which holds it in the slot 62, andinthis manner the fork 59 is guicled in its movement on the platform 38,the pivot 60 being surroundedby a coiled tension spring 65 w ichactsupon the fork 59 to hold the same in its shifted position when swungeither to the right or to the left of -the machine. The fork 59 hasformed in one limb a notch 66 to receivea.

pin 68 fixed in one of the feed dogs 41, While the other limb of thefork 59' is. adapted to engage a pin 67, mounted in the other feed .dog41, and thisfork 59 alternately engages the respective pins 67 and. 68carried by the feed dogs for the operation of the same to effect theindependent rotation of the feed rollers 27 to eject or deliver from themachine stamps of different denominations.

The fork 59 atits rearmost end is formed.

with abutmentwings 69 which are engaged by the housing 51 of the carrierso that the said fork 59 will be automatically moved to a neutral pointfor its ineffectiveness on the feed dogs 41 when the carrier is advancedor swung forwardly without, coins of. the one cent or penny valuationbeing deposited therein to close the holes 57 and. 58 thus preventingthe operation of the stamp ejecting or delivering mechanism. Out fromthe platform 38 and struck upwardly therefrom are bearings 70 to which.is pivoted a yoke 71 havin mounted therein an operating handle 72 whlchprotrudes without the casing A at the top 12 thereof through a slot 73formed in said top 12, and this handle 72 is adapted to work in the slot73 forthe movement of the yoke 71 by hand. Pivoted to the yoke-71 sothat on the swinging of the yoke 71- forwardly the carrier is likewisemoved-in this direction, is aU-shaped bail 7 4 which is also pivoted tothevhousing 51 of the carrier so that on the swinging of the yoke 71forwardly the carrier is likewise moved in this direction, and to thisbail 74 at the rear of the housing 51 is connected. acoiledretractilespring 75 which is also connected to the frame 10 of thecasing A, .the spring 7 5being designed to return the carrier to normalposition or move the same rearwardly after its forward movement byoperating the handle -72 by hand. sages 55 and 56, respectively, atitslower- [Formed in the front wall ofthe housing 51 of thecarrier'below the holes 57 and 58 is aslot 76, while formed on the saidfront wall of the housing 51 at a'point above the holes 57 and 58 is ahanger 77 in which is pivoted aweighted trip yoke 78 carrying a coinstop 79 normally projected through the slot 76 into the path of movementof the coins within the passages 55 and 56 of the (111M554 so as to holdthe coins deposited therein for closing the holes 57 and 58 andpositioning v the said coins inithe path of fingers 80 and, 81,respectively, the finger 80 being longer: than the finger 81 so thatwhen engaged'by a coin closing the'hole 57 the fork 59 will beautomatically thrown to the right hand side of the machine for thevengagement of'its other limbjwith the pin 68sothat inf-this manner thefeed rollers 27 are independently operated. The, chute'54 is formed witha deflector. wall 82 .which 'fserves to deflect a single coin' of theproper, denomination, namely, one cent or penny, into the right handpassage 56 so that this coin will engage the finger 81' for theautomatic shifting of the fork ,59to bring the same into a positionforfengaging the pin 68 carried by the dog 41 at the left hand side ofthe machine and thusthe feed roller 27 at; this side will be operated onthe swinging of the carrierin a forward direction to eject a stamphaving alike valuation of the 'coin deposited within the carrier. Itwill be impossible to operate the feed roller 27 at the right hand sideof the machine when a single coin has been inserted in the chute 54.However,-on the insertion of a second coin of the one center pennydenomination withinf'the chute 54 the same will .enter the passage 55'thus' both holes '57 and 58will be closed in the housing 51, and thesecoins will be held in position by the stop79 ,for this purpose so as toact upon the fork59 for moving the same to the right when the carrier isswung forwardly, so that the roller 27 at ,the right hand "side ofthemachine will be operated for the eject ing or delivering of astamphaying a valuathe tip 850i which is adaptedforv engagement with thestop 79 on therearward move ment ofthe carrier for disengaging the stogpfrom the slot 76 in, said housing toperm it the coinswithin the passages'55' an d'. 56 to pass out of the same into the opening 83 or its thedischarge of the said coins into a trough 86 stationarily mounted on theframe and projected through the opening 83 in said housing for thedischarge of the coins from the chute 54 into the coin changingmechanism hereinafter fully described.

The spring 84 rearwardl'y of the tip 85 is formed with a swell 87 whichengages one edge of the opening 83 so as to automatically disengage thetip 85 from the stop 79 on the rearward movement of the carrier forpermitting the stop 79 to assume normal position within the slot 76 inthe housing 51 and thereby retain coins of the proper denominationdeposited within the chute 54 in the carrier for the further operationof the machine. The passages 55' and 56 are formed with nibs 88 so as toproperly contract the said passages to assure the retention of theproper coms deposited within the ,chute 54,

yet if an improper coin, that is, one of a smaller .size than the coinhaving the valua tion of one cent or penny, is de osited therein thesame will pass the ni s 88 and be delivered from the machine for itsreturn to the depositor in a manner presently described.

Secured centrally to the horizontal bar 33 below the shaft 24 centrallythereof is an inverted substantially L-shaped bracket 89, on thehorizontal portion of which is fixed a bearing 90 having secured thereina shaft 91 on which are j'ournaled feed gears 92 which are arranged atopposite sides of the bracket 89 and each is formed with a hub 93, inthe inner end of which are mounted at intervals feed In 94 which, inthis instance, are four in num r, and are concentrically disposed aboutthe hub, while formed in the inner side of each gear 92 is an annulargroove 95 providing an internal annular shoulder 96 having atintervals-therein notches 97 which are disposed an equal distance apartand likewise the feed lugs 94 are disposed an equal distance apart.Secured to the bearing 90 is a hanger 98 to which is fixed the forwardend of a rectangular shaped forwardly inclined guide frame 99, the rearend of which is fixed to the bracket 89, and in this frame are mountedsliding p'lungers 100 having pivotally mounted in each a feed dog 101which formed with a notch 102 in its free end torecelve any one of thelugs 94, and this dog is acted upon by means of a sprin 103 carried bythe plunger 100 so as to ho d it in the path of the lugs 94 for positiveengagement therewith. Arranged within the grooves 95 in the. gears 92are latchpawls 104, which are formed with a' tooth 105 for engagement inany one of the notches 97 in the shoulders 96, and these latch pawls 104are supported upon a spring 106 fixed'upon a bracket 107 mounte on theframe 99, which sprin serves to hold the pawls normally in la edengagement with the gears 92, the pawls 104 beingformed with elongatedslots 109 through which work pins 108 suitably mounted in the sides ofthe frame 99 and also said pins 108 engage in openings 111 in hangerblocks 112 loosely mounted in the grooves 95 in the. gears 92, thelatching pawls 104 being formed with trip extensions 113 provided withcams 114 which engage andare acted upon by the pivots 115 connectin thefeed dogs 101 to the plungers 100, w ich pivots 115 extend throughelongated slots 116 formed in the side of the frame 99 to protrude intothe path of the cams 114 so that on the advancement of the plungers 100the pivots 115 will engage the cams 114 to move the extensions 113 andlikewise move the latch pawls 104 out of engagement with the gears 92and at the same time the feed dogs 101 will engage the lugs 94 forrotating the said gears 92 which mesh with pinions 117 loosely journaled'upon the shaft 24 the pinions being formed with clutch members 118which are adapted for lockin engagement with companlon clutch mem rs 119formed on the feed rollers 27, therpinions 117 being acted upon by meansof coiled exipansion sprin 120 which surround the sha 24 so that t eclutch members 118 will'lock with the companion clutch members 119 whenthe gears 92 are rotated for the turning of the feed rollers 27 to ejector deliver stamps in predetermined numbers from the machine.

Connected with the guide frame 99 are leaf springs 121 which are alsoconnected with the inn rs 100 so as to hold the same in norma positionto be acted upon by coins deposited within the carrier when the latteris advanced.

Formed in the housing 51 of the carrier below the opening '83 thereinare holes 122 which intersect the chute 55 and are adapted tobe closedby coins deposited within said chute, the coins being stopped durin thegravitation thereof within the chute 55 to position the same for closingthe holes 122 y means of trip stops 123 which are supported uponweighted yokes 124 pivotally mounted upon the housing 51 and workingwithin a suitable slot formed in the latter,

and these coins, when closing the holes 122, will engage the plunger's100 when the carrier is moved forwardly so that the plungers will beactuated for the unlatching and tuming of the gears 92 which, in theirturn, ro-

tate the feed rollers 27 for ejecting a predetermined number of stampsfor the deliver- 111g of the same from the machine.

A Detachably mounted upon the ends of the shaft 91 are stamp reels 125on which are normally wound stamp strips 126, which latter are trainedover guide rolls 127 and between the rollers 27 and 28, the said reels125 being detachably fastened upon the ends of the shaft 91 through themedium of cot-

